Table 5 Results from the mediation analyses exploring whether presumed determinants could explain differences in fruit and vegetable intake between the two samples (0 = Pro Children; 1 = Pro Greens)
fruit intake (n = 1369) | total effect = 25.16 (7.36; 43.0) | direct effect model 1 = 13.0 (-4.44; 30.5) | Direct effect in model 2 = 10.0 (-5.63; 25,7) | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Â | path a | path b (model 1) | path b (model 2) | mediated effect (a*b) in model 1 | mediated effect (a*b) in model 2 | |||||||||
| Â | coeff | SE | coeff | SE | coeff | SE | coeff | 95%CI1 | proportion | coeff | 95%CI1 | proportion | ||
knowledge | 0.13 | 0.05 | 25.30 | 7.82 | 26.47 | 7.86 | 3.28 | 1.28 | 6.44 | 13.0% | 3.27 | 1.24 | 5.99 | 14.2% |
liking | 0.04 | 0.08 | 35.24 | 4.92 | -- | -- | 1.27 | -2.37 | 5.02 | 5.0% | -- | -- | -- | -- |
active encouragement | 0.07 | 0.07 | -1.82 | 3.36 | -- | -- | -0.12 | -1.58 | 0.27 | -0.5% | -- | -- | -- | -- |
parental demand | 0.17 | 0.06 | 16.98 | 3.98 | 23.47 | 3.52 | 2.89 | 0.71 | 6.48 | 11.5% | 5.42 | 2.64 | 10.86 | 23.6% |
parental allowing | -0.17 | 0.07 | 4.16 | 3.81 | -- | -- | -0.69 | -2.45 | 0.29 | -2.8% | -- | -- | -- | -- |
parental facilitation | 0.33 | 0.08 | 7.08 | 3.53 | 12.16 | 3.44 | 2.33 | 0.09 | 5.56 | 9.3% | 4.24 | 1.78 | 8.28 | 18.5% |
bringing to school | 0.39 | 0.04 | 5.93 | 3.26 | -- | -- | 2.30 | -0.08 | 5.52 | 9.2% | -- | -- | -- | -- |
school availability | 0.20 | 0.03 | 4.41 | 5.50 | -- | -- | 0.89 | -0.97 | 3.99 | 3.5% | -- | -- | -- | -- |
Total | Â | Â | Â | Â | Â | Â | 12.15 | 5.12 | 20.36 | 48.3% | 12.9 | 8.40 | 20.1 | 56.3% |
Vegetable intake (n = 1356) | total effect = -12.5 (-21.4; -3.63) | direct effect model 1 = -12.7 (-21.5; -3.86) | Direct effect model 2 = -14.0 (-22.7; -5.26) | |||||||||||
| Â | path a | path b (model 1) | path b (model 2) | mediated effect (a*b) in model 1 | mediated effect (a*b) in model 2 | |||||||||
| Â | coeff | SE | coeff | SE | coeff | SE | coeff | 95%CI1 | proportion | coeff | 95%CI1 | proportion | ||
knowledge | -0.03 | 0.02 | 9.65 | 5.39 | -- | -- | -0.31 | -1.47 | 0.11 | 2.4% | -- | -- | -- | -- |
liking | -0.06 | 0.06 | 5.19 | 2.23 | -- | -- | -0.31 | -1.39 | 0.19 | 2.5% | -- | -- | -- | -- |
active encouragement | -0.02 | 0.07 | 1.25 | 1.85 | -- | -- | -0.03 | -0.68 | 0.17 | 0.2% | -- | -- | -- | -- |
parental demand | 0.11 | 0.06 | 7.29 | 2.49 | 10.2 | 2.18 | 0.82 | 0.04 | 2.22 | -6.6% | 1.23 | 0.15 | 2.81 | -9.7% |
parental allowing | -0.14 | 0.06 | 1.49 | 2.22 | -- | -- | -0.21 | -1.09 | 0.35 | 1.7% | -- | -- | -- | -- |
parental facilitation | 0.00 | 0.06 | 3.32 | 2.19 | -- | -- | 0.00 | -0.65 | 0.53 | 0.0% | -- | -- | -- | -- |
bringing to school | 0.02 | 0.02 | 17.75 | 6.64 | -- | -- | 0.30 | -0.29 | 1.41 | -2.4% | Â | Â | Â | Â |
school availability | 0.01 | 0.01 | -19.61 | 21.62 | -- | -- | -0.11 | -0.60 | 0.09 | 0.9% | -- | -- | -- | -- |
total | Â | Â | Â | Â | Â | Â | 0.16 | -1.85 | 2.39 | -1.3% | 1.23 | 0.15 | 2.81 | -9.7% |